Guillaume Lavoie Ste-Marie’s practice focusses on litigation in the fields of copyright, patents and trademarks. He is involved in various aspects of litigation before the Federal Court, the Federal Court of Appeal and the Superior Court of Québec, including conducting examinations for discovery, cross-examinations, preparing witnesses, assisting experts in preparing reports in complex patent and copyright matters, and preparing submissions for motions, trials and appeals. Guillaume also has experience in managing large-scale multi-party litigation and in seeking and executing complex extraordinary remedies such as Anton Piller orders, interim and interlocutory injunctions, Mareva injunctions and contempt orders before the Federal Court in copyright and patent matters.
Guillaume’s practice also includes contentious trademark prosecution matters such as trademark oppositions and summary cancellation proceedings, both in first instance before the Trademarks Opposition Board and on appeal. He is also involved in the protection and enforcement of protected geographical indications (Appellations d’Origine Contrôlée) in Canada.
Guillaume represents local, national and international corporations in a diverse array of industries, including motion picture and other media, broadcasting, retail goods, personal care products, sports equipment, food and beverage, construction equipment and refrigeration.
Since 2012, Guillaume has been a member of the Board of Directors of the Montreal Artists Legal Clinic/Clinique juridique des artistes de Montréal (CJAM). He was also the legal clinic coordinator and a legal research volunteer from 2010 until 2012. CJAM, a charitable non-profit organization, provides free legal information to artists in Montreal.